Gree GMV-Y72WM/C-F Owner's Manual page 27

Photovoltaic Direct-driven Inverter VRF
R410A Refrigerant System
Y-type Manifold
T- type Manifold
4.2.5.6 Fitting pipe between manifolds
Pipe size (between two manifolds at indoor unit side) is based on the total capacity of
upstream indoor unit(s).
Total capacity of downstream indoor
unit(s) C(Btu/h)
C ≤ 17100
17100 ＜ C ≤ 48500
48500 ＜ C ≤ 72000
72000 ＜ C ≤ 96000
96000 ＜ C ≤ 144000
144000 ＜ C ≤ 216000
216000 ＜ C ≤ 240000
240000 ＜ C ≤ 336000
336000 ＜ C
Total capacity of downstream
indoor unit(s) C (KBtu/h)
C ＜ 68
68 ≤ C ≤ 102
102 ＜ C ≤ 239
239 ＜ C
C ≤ 136
C ≤ 232
232 ＜ C
Fig.4.2.13
Dimension of the pipe of indoor branch
Gas Pipe mm(in.)
Φ12.7(1/2)
Φ15.9(5/8)
Φ19.05(3/4)
Φ22.2(7/8)
Φ28.6(1-1/8)
Φ28.6(1-1/8)
Φ34.9(1-3/8)
Φ34.9(1-3/8)
Φ41.3(1-5/8)
23
Model
FQ01A/A
FQ01B/A
FQ02/A
FQ03/A
FQ14/H1
FQ18/H1
FQ18/H2
Liquid Pipe mm(in.)
Φ6.35(1/4)
Φ9.52(3/8)
Φ9.52(3/8)
Φ9.52(3/8)
Φ12.7(1/2)
Φ15.9(5/8)
Φ15.9(5/8)
Φ19.05(3/4)
Φ19.05(3/4)